Revert biome rework (#38724)

* Revert "Fix world generation (#38713)"

This reverts commit 10fa6ff4af.

* Revert "Biome rework (#37735)"

This reverts commit fe7b96147c.

Content.Shared/Procedural/DungeonLayers/MobsDunGen.cs

@@ -1,8 +1,10 @@
 using Content.Shared.EntityTable;
+using Content.Shared.Storage;
 using Robust.Shared.Prototypes;
 
 namespace Content.Shared.Procedural.DungeonLayers;
 
+
 /// <summary>
 /// Spawns mobs inside of the dungeon randomly.
 /// </summary>